Thiết bị đo tốc độ vòng quay Nidec Shimpo DT-501XA

A series of easy-to-view, compact, panel-mount digital tachometers with
the largest digit size (22 mm high) and the smallest unit depth (92 mm) in the industry.
This device can be used for measuring rotational speed, transit time, duration, and flow quantity.
In addition, it has a waterproof rating equivalent to IP-66 on the front side.